85240700 has 54 divisors (see below), whose sum is σ = 191347128. Its totient is φ = 32959200.

The previous prime is 85240697. The next prime is 85240709. The reversal of 85240700 is 704258.

It is a self number, because there is not a number n which added to its sum of digits gives 85240700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85240709) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 95657 + ... + 96543.

Almost surely, 2^85240700 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85240700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95673564).

85240700 is an abundant number, since it is smaller than the sum of its proper divisors (106106428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85240700 is a wasteful number, since it uses less digits than its factorization.

85240700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963 (or 925 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 85240700 is about 9232.5890193380. The cubic root of 85240700 is about 440.0976023149.

Adding to 85240700 its reverse (704258), we get a palindrome (85944958).

The spelling of 85240700 in words is "eighty-five million, two hundred forty thousand, seven hundred".